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Châteaubriant (Pays de la Loire) (FR)

Air Quality Trend (last 7 days)

Good (0-50)
Moderate (51-100)
Unhealthy for Sensitive Groups (101-150)
Unhealthy (151-200)
Very Unhealthy (201-300)
Hazardous (300+)

Weather - 48h MET Norway

Klarer Himmel
17°C
Klarer Himmel
Humidity
49.5%
Wind
4 m/s
Pressure
1020.5 hPa
Direction
65°
Sunrise
04:00
Sunset
16:00
24h Forecast:
Temp.
8° / 17°
Precip.
0mm
Max wind
5.5 m/s

Hourly Forecast

19.04
Now
Weather
17°
19.04
18:00
Weather
15°
19.04
19:00
Weather
13°
19.04
20:00
Weather
12°
5
19.04
21:00
Weather
11°
5
19.04
22:00
Weather
10°
19.04
23:00
Weather
20.04
00:00
Weather
20.04
01:00
Weather
20.04
02:00
Weather
20.04
03:00
Weather
20.04
04:00
Weather
20.04
05:00
Weather
20.04
06:00
Weather
20.04
07:00
Weather
20.04
08:00
Weather
10°
20.04
09:00
Weather
12°
20.04
10:00
Weather
13°
20.04
11:00
Weather
14°
20.04
12:00
Weather
15°
5
20.04
13:00
Weather
16°
20.04
14:00
Weather
16°
20.04
15:00
Weather
16°
5
20.04
16:00
Weather
16°
6

Temperature

17°C
8°C
17:00
17°C
18:00
15°C
19:00
13°C
20:00
12°C
21:00
11°C
22:00
10°C
23:00
9°C
00:00
9°C
01:00
9°C
02:00
8°C
03:00
8°C
04:00
8°C
05:00
8°C
06:00
8°C
07:00
9°C
08:00
10°C
09:00
12°C
10:00
13°C
11:00
14°C
12:00
15°C
13:00
16°C
14:00
16°C
15:00
16°C
16:00
16°C
17:00 04:00 16:00

Precipitation

0mm
0mm
17:00 04:00 16:00

Wind

5.5m/s
0m/s
17:00
3.5 m/s
18:00
2.7 m/s
19:00
3.8 m/s
20:00
5.1 m/s
21:00
5.2 m/s
22:00
4.9 m/s
23:00
4.5 m/s
00:00
4.7 m/s
01:00
4.9 m/s
02:00
4.8 m/s
03:00
4.8 m/s
04:00
4.7 m/s
05:00
4.6 m/s
06:00
4.6 m/s
07:00
4.1 m/s
08:00
4.4 m/s
09:00
4.5 m/s
10:00
4.7 m/s
11:00
4.8 m/s
12:00
5.1 m/s
13:00
4.9 m/s
14:00
5 m/s
15:00
5.3 m/s
16:00
5.5 m/s
17:00 04:00 16:00

Radiation

0.066 uSv
52 km
8.3%

Measurement time: 2026-04-19 16:00

source: remap_europe

We display the worst measurements from all stations in the area. This approach provides a more cautious assessment of air quality, accounting for local pollution sources.

AQI
56.2 km
59
19.7%

Measurement time: 2026-04-19 19:00

Calculated from PM2.5/PM10

O3
56.2 km
41 µg/m3
25.6%

Measurement time: 2026-04-19 19:00

source: Aqicn

PM2.5
56.2 km
16 µg/m3
19%

Measurement time: 2026-04-19 19:00

source: Aqicn

PM10
56.2 km
7 µg/m3
5%

Measurement time: 2026-04-19 19:00

source: Aqicn

NO2
56.2 km
1.2 µg/m3
0.6%

Measurement time: 2026-04-19 19:00

source: Aqicn

Info


Country: France
Latitude: 47.71667
Longitude: -1.38333

About Air Quality in Châteaubriant

Air quality in Châteaubriant is monitored in real-time by sensors and measurement stations. On this page you'll find current data on major air pollutants including particulate matter PM2.5 and PM10, nitrogen dioxide (NO2), ozone (O3), and radiation levels.

Common Pollutants in Châteaubriant

  • PM2.5 - fine particulate matter up to 2.5 micrometers, particularly harmful to health
  • PM10 - particulate matter up to 10 micrometers from traffic and industry
  • NO2 - nitrogen dioxide mainly emitted by vehicles
  • O3 - tropospheric ozone formed in photochemical reactions

When is Air Quality Best in Châteaubriant?

Generally, the best air quality occurs:

  • Early morning (5:00-7:00 AM) before rush hour traffic
  • After rainfall which cleanses the atmosphere
  • During strong winds that disperse pollutants
  • In summer months when heating systems are less used

Tips for Runners in Châteaubriant

If you're planning outdoor activities in Châteaubriant, always check the current AQI value. When AQI exceeds 100, consider moving your workout indoors or shortening the distance. People with respiratory issues, children, and seniors should be especially cautious during elevated pollution levels. Choose routes away from busy streets and industrial areas.